/* ===========================================================
   一刻空间 风格 · 共享样式
   纯静态站点，无需后端。颜色/品牌名均可在顶部变量区修改。
   =========================================================== */
:root {
  --brand-green-a: #3d934f;
  --brand-green-b: #445f48;
  --brand-ink: #26382b;
  --brand-line: #e4ebe6;
  --page-bg: #f8f9fa;
}

* { box-sizing: border-box; }

body {
  background-color: var(--page-bg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
  color: #333;
}

/* ---------- 顶部导航 ---------- */
.navbar {
  background: linear-gradient(135deg, var(--brand-green-a), var(--brand-green-b));
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}
.navbar-brand {
  font-weight: bold;
  color: #fff !important;
  font-size: 1.5rem;
}
.navbar-brand i { margin-right: 6px; }

.site-nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  margin-left: 32px;
}
.site-nav-links .nav-link {
  color: rgba(255, 255, 255, 0.9);
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.98rem;
}
.site-nav-links .nav-link:hover { color: #fff; }

.lang-toggle {
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ---------- 首页工具分组 ---------- */
.tool-group + .tool-group { margin-top: 38px; }

.tool-group-title {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  color: var(--brand-ink);
  font-size: 1.28rem;
  font-weight: 700;
}
.tool-group-title::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--brand-line);
}

.tool-card {
  border: 1px solid #e9ecef;
  border-radius: 16px;
  padding: 20px;
  background: #fff;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.05);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 16px;
  height: 100%;
}
.tool-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
}
.tool-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}
.tool-title {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.4;
}

/* ---------- 顶部介绍条（替代原站广告位） ---------- */
.intro-banner {
  position: relative;
  border: 2px dashed rgba(70, 145, 105, 0.4);
  border-radius: 16px;
  padding: 18px 20px;
  margin-bottom: 28px;
  background: rgba(248, 249, 250, 0.7);
  color: #4a5a4f;
  display: flex;
  align-items: center;
  gap: 12px;
}
.intro-banner i { font-size: 22px; color: var(--brand-green-a); }

/* ---------- 工具页通用 ---------- */
.tool-page { max-width: 760px; margin: 0 auto; }
.tool-panel {
  background: #fff;
  border: 1px solid #e9ecef;
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.05);
}
.tool-panel h3 { color: var(--brand-ink); font-weight: 700; }
.btn-brand {
  background: linear-gradient(135deg, var(--brand-green-a), var(--brand-green-b));
  border: none;
  color: #fff;
}
.btn-brand:hover { color: #fff; opacity: 0.92; }
.copy-hint { font-size: 0.85rem; color: #999; margin-top: 6px; }
.result-box {
  background: #f6f8f6;
  border: 1px solid var(--brand-line);
  border-radius: 10px;
  padding: 12px 14px;
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  word-break: break-all;
  min-height: 44px;
}

/* ---------- 占位页 ---------- */
.coming-soon {
  text-align: center;
  padding: 70px 20px;
  color: #888;
}
.coming-soon i { font-size: 56px; color: var(--brand-green-a); margin-bottom: 18px; }

/* ---------- 页脚 ---------- */
.site-footer {
  margin-top: 60px;
  padding: 28px 0;
  background: #fff;
  border-top: 1px solid var(--brand-line);
  color: #888;
  font-size: 0.9rem;
}
.site-footer a { color: var(--brand-green-a); text-decoration: none; }

/* ---------- 响应式 ---------- */
@media (max-width: 768px) {
  .site-nav-links { gap: 14px; margin-left: auto; }
  .site-nav-links .nav-link span { display: none; }
  .tool-group-title { font-size: 1.1rem; }
}